A detailed constitutional and legal analysis arguing that the 1765 Revestment of the Isle of Man violated a 'Tripartite Jurisdictional Lock' established in the 1609 Act, and that Parliament misapplied Pratt-Yorke doctrine (intended for acquired territories) to a coordinate kingdom. The paper contends that the British State engaged in a deliberate 'category error' and subsequent 'coup d'état,' treating sovereign rights as private assets. It extends this analysis to explain Parliament's parallel failures in America and India.